Affichage des archives de dimanche, 2 janvier 2005
Rapport d'activité solaire
Any mentioned solar flare in this report has a scaling factor applied by the Space Weather Prediction Center (SWPC). Because of the SWPC scaling factor, solar flares are reported as 42% smaller than for the science quality data. The scaling factor has been removed from our archived solar flare data to reflect the true physical units.
Rapport d'activité solaire et géophysique 2005 Jan 02 2200 UTCFait par le NOAA © SWPC et adapté par SpaceWeatherLive.com
Rapport de l'USAF/NOAA sur l'activité solaire et géophysique
SDF numéro 002 publié à 2200Z le 02 Jan 2005IA. Analyse des régions solaires actives et activité du 01-2100Z au 02-2100Z Solar activity was low. Isolated low C-class and
B-class flares occurred in Region 715 (N05E08). Region 715, which
produced an X1 flare on 01 January, continues in a decay phase.
Region 717 (N08W86) is growing in size as it approaches the west
limb, but so far has produced only B-class activity. No other
significant activity or changes were observed.
IB. Prévisions d'activité solaire
Solar activity is expected to be low
to moderate. There is a small chance for an M-class flare from
Region 715. Isolated C-class flares are possible from Region 717 as
it rotates around the west limb.
IIA. Résumé de l'activité géophysique du 01-2100Z au 02-2100Z
The geomagnetic field was at unsettled to minor storm levels. High
speed coronal hole flow, possibly combined with weak transient flow
from the late December CME activity, is responsible for this
disturbance. Solar wind speed increased to over 800 km/s by the
middle of the period and ranged from 700 - 850 km/s for the
remainder of the day.
IIB. Prévision de l'activité géophysique
The geomagnetic field is
expected to range from quiet to major storming. The high speed
coronal hole stream in progress now is expected to persist through
03 January. A CME associated with the X1 flare early on 01 Jan is
expected to impact the geomagnetic field on 03 January. As a result,
minor to major storm periods are possible on 03 and 04 January.
Storming should subside by 05 January. Expect quiet to unsettled
levels with isolated active periods on the 5th.
III. Probabilité d'éruption solaire du 03 Jan au 05 Jan
| Classe M | 30% | 25% | 20% |
| Classe X | 05% | 05% | 01% |
| Proton | 05% | 05% | 01% |
| PCAF | green | ||
IV. Flux Penticton 10.7 cm
Observé 02 Jan 100 Prévisionnel 03 Jan-05 Jan 095/095/090 Moyenne des 90 derniers jours 02 Jan 105
V. Indice géomagnetique A
Observé Afr/Ap 01 Jan 010/015 Estimé Afr/Ap 02 Jan 020/025 Prévisionnel Afr/Ap 03 Jan-05 Jan 020/030-015/015-010/010
VI. Probabilités d'activité géomagnétique du 03 Jan au 05 Jan
| A. Latitudes moyennes | |||
|---|---|---|---|
| Actif | 50% | 35% | 25% |
| Tempête mineure | 25% | 15% | 05% |
| Tempête majeure/sévère | 10% | 05% | 01% |
| B. Hautes latitudes | |||
|---|---|---|---|
| Actif | 50% | 40% | 30% |
| Tempête mineure | 30% | 20% | 10% |
| Tempête majeure/sévère | 20% | 10% | 05% |
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